Phytoplankton of the seasonal surveys of 1977, and further pre- vs. post-operational comparisons at Cook Nuclear Plant / John C. Ayers, Susan J. Wiley.

TABLE 3. continued

Dominant or
Survey Species or group codominant
occurrences

14 OCT 1976
14 APRIL 1977

Flagellates
Fragilaria crotonensis (diatom)
Gomphosphaeria lacustris (blue-green)
Anacystis incerta (blue-green)
Cvclotella mensis (diatom)
Gloeocvstis sp. (green alga)
Anabaena flos-aquae (blue-green)
Qloeocvstis Dlanctonica (green alga)
Melosira granulata (diatom)
Flagellates
Ochromonas sp. (flagellate)
Fragilaria crotonensis (diatom)
Svnedra ostenfeldii (diatom)
Synedra filiformis (diatom)
Anacvstis incerta (blue-green alga)
Cvclotella stelligera (diatom)

28
11
8
6
5
5
1
1
1

24
19
13
5
2
1
1

13 JULY 1977

Fragilaria crotonensis (diatom)
Cvclotella comensis (diatom)
Anabaena flos-aauae (blue-green alga)
Flagellates
Cyclotella sp. (diatom)
Anacvstis incerta (blue-green alga)
Cvclotella michiganiana (diatom)

15
15
11
6
5
3
3

14 OCT 1977

Anacvstis incerta (blue-green alga)
Gomphosphaeria lacustris (blue-green alga)
Flagellates
Fragilaria crotonensis (diatom)
Melosira granulata (diatom)
Agmenellum guadruplicatum (blue-green alga)

24
12
10
6
2
1

* A green alga,
coccoid.

but coded as "other" because it is neither filamentous nor

In Table 3 the dominant and codominant forms in the stations of each
seasonal survey of 1970 through 1977 have been assembled and the numbers of
their dominant or codominant occurrences given. This is done to assist the

23